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VINTAGE ADCOM GTP500 1990's Tuner/Preamp. Unit lights up and passes audio but is being sold "AS-IS" for parts or restoration. CMD
Is USD75 a steal for this Adcom GTP-500 preamp/tuner, or just fair game in today's used market? It's a solid bargain—recent comps show these '80s/'90s gems trading hands from USD115-150 in very good shape, with outliers dipping to USD100 or even USD72 in sketchier listings. At USD75 (condition unknown), you're in the sweet spot if it's functional, undercutting Ken Rockwell's USD150 benchmark for a remote-equipped unit that punches way above its original USD600 MSRP with capacitor-free paths, killer phono stage, and that rare working tuner.
Before biting, verify the remote (hard to source) and test all inputs/outputs—phono MM sensitivity is finicky, and these 35+ year-olds often need recap for noise-free SNR (84dB MM/100dB line). Probe for tuner drift or relay chatter too; no remote or box? Still worth it, but haggle harder.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
ADCOM emerged in the 1970s as a family-owned American audio venture founded by audiophile Newt Channin, initially focusing on exceptionally musical moving-coil phono cartridges that set it apart from typical entrants. The brand quickly pivoted to electronics with the groundbreaking GFA-1 power amplifier in 1979, delivering 200 watts per channel and robust current for demanding speakers, propelling ADCOM into prominence during the high-fidelity boom of the 1980s and 1990s.
The company built its legacy on high-performance amplifiers, including the Nelson Pass-designed GFA-555 that garnered worldwide acclaim, alongside AV tuners, preamps, and multichannel power amps like the GFA-6000 tailored for home theater. While early roots lay in phono gear, ADCOM specialized in electronics offering superior sound quality without extravagant pricing, eschewing speakers, headphones, or extensive cabling lines.
Positioned firmly in the mid-fi realm, ADCOM defined accessible high-end audio for discerning buyers, blending value and performance that rivaled pricier competitors. After challenges and ownership shifts—including a Thai firm and a faltering 2010 relaunch—the brand staged a robust comeback in 2024 under J&B Distribution, reviving classics like the GFA-555ms alongside modern integrated amps and preamps, reclaiming its spot among savvy audiophiles seeking reliable, soul-stirring sound.
See all ADCOM listings on RADAR.
